# ISO/R 683-4:1970 — Withdrawn and superseded ISO standards

For ISO/R 683-4:1970, item title is Heat-treated steels, alloy steels and free-cutting steels — Part 4: Wrought quenched and tempered steels with 1 % chromium and 0,2 % molybdenum and controlled sulphur content; status code is 9599; successor is ISO 683-1:1987; withdrawn / published date is 1970-01-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO/R 683-4:1970 _(verified: appears in the quote below)_
- **Item title:** Heat-treated steels, alloy steels and free-cutting steels — Part 4: Wrought quenched and tempered steels with 1 % chromium and 0,2 % molybdenum and controlled sulphur content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 683-1:1987
- **Withdrawn / published date:** 1970-01-01 _(verified: appears in the quote below)_

## What the source says

> 4857,R,,ISO/R 683-4:1970,"Heat-treated steels, alloy steels and free-cutting steels — Part 4: Wrought quenched and tempered steels with 1 % chromium and 0,2 % molybdenum and controlled sulphur content","Aciers pour traitement thermique, aciers alliés et aciers pour décolletage — Partie 4: Aciers corroyés trempés et revenus avec 1 % de chrome et 0,2 % de molybdène et une teneur en soufre contrôlée",1970-01-01,1,"['77.140','77.140.20']",ISO/TC 17/SC 4,9599,,[4854],"['en','fr']",12,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).